| http://www.w3.org/ns/prov#value | - As stated previously, the media serving systems 14, regional data centers 16 and master data centers 18 that correspond to tiers 116, 118 and 120, respectively, provide serving functions (e.g., transcoding from RTP to MMS, RealNet, HTTP, WAP or other protocol), as well as delivery via a local area network (LAN), the internet, a wireless network or other network to user devices 20, identified colle
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